Product Description Laptop Notebook Stand with Tilting Work Surface This laptop notebook stand, known as a portable computer desk, allows users to change the height and the tilt angle of this display. This mobile display has four caster wheels. Two of the wheels on this laptop notebook stand are locking, allowing users to make this display mobile or stationary as needed. The large work space makes this display convenient for a wide variety of different uses. Each black laptop notebook stand has a 28″ x 18″ workspace, great for keeping a portable computer and other notes or equipment. The lip at the bottom prevents items from sliding off. This laptop notebook stand that is mobile has a stationary shelf as well. The stationary shelf easily clamps on to any point of the pole and can also be height adjusted. This height adjustable laptop notebook stand is great for presentations as well. The display can be raised up to use it as a lectern, and utilize the lower shelf as storage. Also place multimedia devices such as projectors on this display. Each laptop notebook stand that has a matte black finish meshes with any furnishings. The steel base and MDF surface are ideal for residential or business settings. This mobile desk, laptop notebook stand has a curved design at the bottom of the base. Improve any personal office, cubicle or trade show setup instantly. Each laptop notebook stand that has a stationary shelf is an affordable option that will give customers a stand with the versatility they need. Height adjusts up to 55″! Additional height adjustable shelf for projectors, laptops or paperwork. (4) Casters for mobility,including (2) locking wheels. Tilting surface can be lowered to an angle of up to 25°.